.online{
    height: 800px;
    width: 1200px;
    margin: auto;
    border: 1px solid silver;
}
.online-title{
    color: #e69137;
    height: 50px;
    width: 1200px;
    line-height: 50px;
    font-size: 20px;
    text-indent: 10px;
    border: 1px solid silver;
}
.online-title-content{
    width: 1200px;
    text-align: center;
    margin: 100px auto auto auto;
}
.online-title-content h4{
    color: #e69137;
    font-size: 20px;
}
.online-title-content h4 span{
    color: silver;
    font-size: 15px;
}
.online-text{
    height: 40px;
    width:600px;
    margin: 50px auto auto auto;
}
.online-text input[type=text]{
    width: 600px;
    height: 40px;
    border: 1px dashed #aaaaaa;
    background-color: #eeeeee;
}
.online-text div:nth-child(6) input[type=text]{
    height: 200px;
}

.online-text input[type=button]{
    width: 80px;
    height:30px;
    background-color: #e69137;
}
.online-text div:last-child{
    text-align: center;
    margin: 20px;
}